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bontwoody
bontwoody
@bontwoody
Contributor
Noble Member
Joined: Mar 5, 2022
Last seen: Jul 6, 2025
Topics: 29 / Replies: 806
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RE: Just go with the lowest Quote?

I would agree with you so long as the pipe work isn’t going to be changed. Swapping a radiator or two isn’t expensive and well within the scope of ...

12 months ago
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RE: New Vaillant 7kW aroTherm ASHP or oil boiler dilemma/decision??

@jml Thats good about their reviews, I was looking on Trustpilot. The first two images seem to be the same, but I couldnt see anything untoward about ...

12 months ago
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RE: New Vaillant 7kW aroTherm ASHP or oil boiler dilemma/decision??

@jml LOL, im the one who is a little confused now 🙂 If your shower is electric, isnt that the main use of hot water in your house? It is in ours, al...

12 months ago
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RE: New Vaillant 7kW aroTherm ASHP or oil boiler dilemma/decision??

Thanks. I forgot to take the boiler efficiency into account. Even better running costs then.

12 months ago
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RE: New Vaillant 7kW aroTherm ASHP or oil boiler dilemma/decision??

@jml So your oil usage is pretty much for heating only and your domestic hot water is heated via electricity for the most part. £700 of oil is about...

12 months ago
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RE: New Vaillant 7kW aroTherm ASHP or oil boiler dilemma/decision??

@jml Hi Jordan I cant see an attachment? The expansion vessel is as you suppose normal and not a buffer vessel. Good that they propose anti frost va...

12 months ago
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RE: New Vaillant 7kW aroTherm ASHP or oil boiler dilemma/decision??

@jml Hi Jordan So given all the insulation upgrades you have done, I think you might be being too pessimistic. Perhaps 50 W/m2 might be a bette...

12 months ago
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12 months ago
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RE: HP Cycling, Expected or Undesirable

@old_scientist Hi, yes I was comparing COP without taking the cycling into account.

12 months ago
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RE: New Vaillant 7kW aroTherm ASHP or oil boiler dilemma/decision??

@jml Hi Jordan, welcome to the forum. You sound like you have done a lot of research already and that your house is well suited to low temperature...

12 months ago
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RE: Advice on ASHP choice needed

@toodles Well to me, it would depend on the deal I was getting, If the quote was substantially cheaper than others and it was take it or leave it, the...

12 months ago
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RE: Advice on ASHP choice needed

@toodles absolutely, I, like you prefer 22.5C so my house is configured to achieve that where I need it. Its worth pointing out I suppose that if you ...

12 months ago
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